1 /*****************************************************************************
2 * mvar.c : Variables handling for the HTTP Interface
3 *****************************************************************************
4 * Copyright (C) 2001-2007 the VideoLAN team
7 * Authors: Gildas Bazin <gbazin@netcourrier.com>
8 * Laurent Aimar <fenrir@via.ecp.fr>
9 * Christophe Massiot <massiot@via.ecp.fr>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24 *****************************************************************************/
29 /* Utility function for scandir */
30 static int Filter( const char *foo )
32 return strcmp( foo, "." );
35 static int InsensitiveAlphasort( const char **foo1,
38 return strcasecmp( *foo1, *foo2 );
43 mvar_t *E_(mvar_New)( const char *name, const char *value )
45 mvar_t *v = malloc( sizeof( mvar_t ) );
48 v->name = strdup( name );
49 v->value = strdup( value ? value : "" );
52 v->field = malloc( sizeof( mvar_t * ) );
58 void E_(mvar_Delete)( mvar_t *v )
65 for( i = 0; i < v->i_field; i++ )
67 E_(mvar_Delete)( v->field[i] );
73 void E_(mvar_AppendVar)( mvar_t *v, mvar_t *f )
75 v->field = realloc( v->field, sizeof( mvar_t * ) * ( v->i_field + 2 ) );
76 v->field[v->i_field] = f;
80 mvar_t *E_(mvar_Duplicate)( const mvar_t *v )
85 n = E_(mvar_New)( v->name, v->value );
86 for( i = 0; i < v->i_field; i++ )
88 E_(mvar_AppendVar)( n, E_(mvar_Duplicate)( v->field[i] ) );
94 void E_(mvar_PushVar)( mvar_t *v, mvar_t *f )
96 v->field = realloc( v->field, sizeof( mvar_t * ) * ( v->i_field + 2 ) );
99 memmove( &v->field[1], &v->field[0], sizeof( mvar_t * ) * v->i_field );
105 void E_(mvar_RemoveVar)( mvar_t *v, mvar_t *f )
108 for( i = 0; i < v->i_field; i++ )
110 if( v->field[i] == f )
115 if( i >= v->i_field )
120 if( i + 1 < v->i_field )
122 memmove( &v->field[i], &v->field[i+1], sizeof( mvar_t * ) * ( v->i_field - i - 1 ) );
125 /* FIXME should do a realloc */
128 mvar_t *E_(mvar_GetVar)( mvar_t *s, const char *name )
130 /* format: name[index].field */
131 const char *field = strchr( name, '.' );
132 char base[1 + (field ? (size_t)(field - name) : strlen( name ))];
136 strlcpy( base, name, sizeof (base) );
140 if( ( p = strchr( base, '[' ) ) != NULL )
143 unsigned long l = strtoul( p, &end, 0 );
145 if( ( l > INT_MAX ) || strcmp( "]", end ) )
156 for( i = 0; i < s->i_field; i++ )
158 if( !strcmp( s->field[i]->name, base ) )
168 return E_(mvar_GetVar)( s->field[i], field );
180 char *E_(mvar_GetValue)( mvar_t *v, char *field )
188 mvar_t *f = E_(mvar_GetVar)( v, field );
200 void E_(mvar_PushNewVar)( mvar_t *vars, const char *name,
203 mvar_t *f = E_(mvar_New)( name, value );
204 E_(mvar_PushVar)( vars, f );
207 void E_(mvar_AppendNewVar)( mvar_t *vars, const char *name,
210 mvar_t *f = E_(mvar_New)( name, value );
211 E_(mvar_AppendVar)( vars, f );
215 /* arg= start[:stop[:step]],.. */
216 mvar_t *E_(mvar_IntegerSetNew)( const char *name, const char *arg )
218 char *dup = strdup( arg );
220 mvar_t *s = E_(mvar_New)( name, "set" );
225 int i_start,i_stop,i_step;
228 p = strchr( str, ',' );
235 i_match = sscanf( str, "%d:%d:%d", &i_start, &i_stop, &i_step );
242 else if( i_match == 2 )
244 i_step = i_start < i_stop ? 1 : -1;
251 if( ( i_start <= i_stop && i_step > 0 ) ||
252 ( i_start >= i_stop && i_step < 0 ) )
254 for( i = i_start; ; i += i_step )
258 if( ( i_step > 0 && i > i_stop ) ||
259 ( i_step < 0 && i < i_stop ) )
264 sprintf( value, "%d", i );
266 E_(mvar_PushNewVar)( s, name, value );
277 /********************************************************************
278 * Special sets handling
279 ********************************************************************/
281 mvar_t *E_(mvar_PlaylistSetNew)( intf_thread_t *p_intf, char *name,
284 mvar_t *s = E_(mvar_New)( name, "set" );
285 vlc_mutex_lock( &p_pl->object_lock );
286 E_(PlaylistListNode)( p_intf, p_pl, p_pl->p_root_category , name, s, 0 );
287 vlc_mutex_unlock( &p_pl->object_lock );
291 mvar_t *E_(mvar_InfoSetNew)( intf_thread_t *p_intf, char *name,
292 input_thread_t *p_input )
294 mvar_t *s = E_(mvar_New)( name, "set" );
297 if( p_input == NULL || p_input->p == NULL /* workarround assert in input_GetItem */ )
302 vlc_mutex_lock( &input_GetItem(p_input)->lock );
303 for ( i = 0; i < input_GetItem(p_input)->i_categories; i++ )
305 info_category_t *p_category = input_GetItem(p_input)->pp_categories[i];
307 mvar_t *cat = E_(mvar_New)( name, "set" );
308 mvar_t *iset = E_(mvar_New)( "info", "set" );
310 E_(mvar_AppendNewVar)( cat, "name", p_category->psz_name );
311 E_(mvar_AppendVar)( cat, iset );
313 for ( j = 0; j < p_category->i_infos; j++ )
315 info_t *p_info = p_category->pp_infos[j];
316 mvar_t *info = E_(mvar_New)( "info", "" );
318 /* msg_Dbg( p_input, "adding info name=%s value=%s",
319 psz_name, psz_value ); */
320 E_(mvar_AppendNewVar)( info, "name", p_info->psz_name );
321 E_(mvar_AppendNewVar)( info, "value", p_info->psz_value );
322 E_(mvar_AppendVar)( iset, info );
324 E_(mvar_AppendVar)( s, cat );
326 vlc_mutex_unlock( &input_GetItem(p_input)->lock );
331 mvar_t *E_(mvar_ObjectSetNew)( intf_thread_t *p_intf, char *psz_name,
332 const char *psz_capability )
334 mvar_t *s = E_(mvar_New)( psz_name, "set" );
337 vlc_list_t *p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE,
340 for( i = 0; i < p_list->i_count; i++ )
342 module_t *p_parser = (module_t *)p_list->p_values[i].p_object;
343 if( module_IsCapable( p_parser, psz_capability ) )
345 mvar_t *sd = E_(mvar_New)( "sd", module_GetObjName( p_parser ) );
346 E_(mvar_AppendNewVar)( sd, "name",
347 module_GetName( p_parser, VLC_TRUE ) );
348 E_(mvar_AppendVar)( s, sd );
352 vlc_list_release( p_list );
357 mvar_t *E_(mvar_InputVarSetNew)( intf_thread_t *p_intf, char *name,
358 input_thread_t *p_input,
359 const char *psz_variable )
361 intf_sys_t *p_sys = p_intf->p_sys;
362 mvar_t *s = E_(mvar_New)( name, "set" );
363 vlc_value_t val, val_list, text_list;
366 if( p_input == NULL )
371 /* Check the type of the object variable */
372 i_type = var_Type( p_sys->p_input, psz_variable );
374 /* Make sure we want to display the variable */
375 if( i_type & VLC_VAR_HASCHOICE )
377 var_Change( p_sys->p_input, psz_variable, VLC_VAR_CHOICESCOUNT, &val, NULL );
378 if( val.i_int == 0 ) return s;
379 if( (i_type & VLC_VAR_TYPE) != VLC_VAR_VARIABLE && val.i_int == 1 )
387 switch( i_type & VLC_VAR_TYPE )
391 case VLC_VAR_VARIABLE:
393 case VLC_VAR_INTEGER:
396 /* Variable doesn't exist or isn't handled */
400 if( var_Get( p_sys->p_input, psz_variable, &val ) < 0 )
405 if( var_Change( p_sys->p_input, psz_variable, VLC_VAR_GETLIST,
406 &val_list, &text_list ) < 0 )
408 if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
412 for( i = 0; i < val_list.p_list->i_count; i++ )
414 char *psz, psz_int[16];
417 switch( i_type & VLC_VAR_TYPE )
420 itm = E_(mvar_New)( name, "set" );
421 /* FIXME: Memory leak here?? (remove strdup?) */
422 psz = strdup( text_list.p_list->p_values[i].psz_string );
423 E_(mvar_AppendNewVar)( itm, "name", psz );
424 E_(mvar_AppendNewVar)( itm, "id", val_list.p_list->p_values[i].psz_string );
425 snprintf( psz_int, sizeof(psz_int), "%d",
426 ( !strcmp( val.psz_string,
427 val_list.p_list->p_values[i].psz_string )
428 && !( i_type & VLC_VAR_ISCOMMAND ) ) );
429 E_(mvar_AppendNewVar)( itm, "selected", psz_int );
430 E_(mvar_AppendVar)( s, itm );
433 case VLC_VAR_INTEGER:
434 itm = E_(mvar_New)( name, "set" );
435 psz = strdup( text_list.p_list->p_values[i].psz_string );
436 E_(mvar_AppendNewVar)( itm, "name", psz );
437 snprintf( psz_int, sizeof(psz_int), "%d",
438 val_list.p_list->p_values[i].i_int );
439 E_(mvar_AppendNewVar)( itm, "id", psz_int );
440 snprintf( psz_int, sizeof(psz_int), "%d",
441 ( val.i_int == val_list.p_list->p_values[i].i_int )
442 && !( i_type & VLC_VAR_ISCOMMAND ) );
443 E_(mvar_AppendNewVar)( itm, "selected", psz_int );
444 E_(mvar_AppendVar)( s, itm );
451 /* clean up everything */
452 if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
453 var_Change( p_sys->p_input, psz_variable, VLC_VAR_FREELIST, &val_list,
459 mvar_t *E_(mvar_HttpdInfoSetNew)( char *name, httpd_t *p_httpd, int i_type )
461 mvar_t *s = E_(mvar_New)( name, "set" );
465 if( !p_httpd->pf_control( p_httpd, i_type, &info, NULL ) )
467 for( i= 0; i < info.i_count; )
471 inf = E_(mvar_New)( name, "set" );
474 /* fprintf( stderr," mvar_HttpdInfoSetNew: append name=`%s' value=`%s'\n",
475 info.info[i].psz_name, info.info[i].psz_value ); */
476 E_(mvar_AppendNewVar)( inf,
477 info.info[i].psz_name,
478 info.info[i].psz_value );
480 } while( i < info.i_count && strcmp( info.info[i].psz_name, "id" ) );
481 E_(mvar_AppendVar)( s, inf );
486 for( i = 0; i < info.i_count; i++ )
488 free( info.info[i].psz_name );
489 free( info.info[i].psz_value );
491 if( info.i_count > 0 )
500 mvar_t *E_(mvar_FileSetNew)( intf_thread_t *p_intf, char *name,
503 mvar_t *s = E_(mvar_New)( name, "set" );
504 #ifdef HAVE_SYS_STAT_H
505 struct stat stat_info;
507 char **ppsz_dir_content;
508 int i_dir_content, i;
509 psz_dir = E_(RealPath)( p_intf, psz_dir );
511 #ifdef HAVE_SYS_STAT_H
512 if( (utf8_stat( psz_dir, &stat_info ) == -1 )
513 || !S_ISDIR( stat_info.st_mode )
514 # if defined( WIN32 )
515 && psz_dir[0] != '\0' && (psz_dir[0] != '\\' || psz_dir[1] != '\0')
524 /* parse psz_src dir */
525 if( ( i_dir_content = utf8_scandir( psz_dir, &ppsz_dir_content, Filter,
526 InsensitiveAlphasort ) ) == -1 )
528 msg_Warn( p_intf, "error while scanning dir %s (%m)", psz_dir );
533 for( i = 0; i < i_dir_content; i++ )
535 char *psz_name = ppsz_dir_content[i], *psz_ext, *psz_dummy;
536 char psz_tmp[strlen( psz_dir ) + 1 + strlen( psz_name ) + 1];
540 if( psz_dir[0] == '\0' || (psz_dir[0] == '\\' && psz_dir[1] == '\0') )
542 strcpy( psz_tmp, psz_name );
547 sprintf( psz_tmp, "%s"DIR_SEP"%s", psz_dir, psz_name );
549 #ifdef HAVE_SYS_STAT_H
550 if( utf8_stat( psz_tmp, &stat_info ) == -1 )
557 f = E_(mvar_New)( name, "set" );
559 /* put lower-case file extension in 'ext' */
560 psz_ext = strrchr( psz_name, '.' );
561 psz_ext = strdup( psz_ext != NULL ? psz_ext + 1 : "" );
562 for( psz_dummy = psz_ext; *psz_dummy != '\0'; psz_dummy++ )
563 *psz_dummy = tolower( *psz_dummy );
565 E_(mvar_AppendNewVar)( f, "ext", psz_ext );
569 if( psz_dir[0] == '\0' || (psz_dir[0] == '\\' && psz_dir[1] == '\0') )
572 sprintf( psz_tmp, "%c:", psz_name[0] );
573 E_(mvar_AppendNewVar)( f, "name", psz_name );
574 E_(mvar_AppendNewVar)( f, "basename", psz_tmp );
575 E_(mvar_AppendNewVar)( f, "type", "directory" );
576 E_(mvar_AppendNewVar)( f, "size", "unknown" );
577 E_(mvar_AppendNewVar)( f, "date", "unknown" );
583 char psz_tmp[strlen( psz_dir ) + 1 + strlen( psz_name ) + 1];
585 sprintf( psz_tmp, "%s"DIR_SEP"%s", psz_dir, psz_name );
586 E_(mvar_AppendNewVar)( f, "name", psz_tmp );
587 E_(mvar_AppendNewVar)( f, "basename", psz_name );
589 #ifdef HAVE_SYS_STAT_H
590 if( S_ISDIR( stat_info.st_mode ) )
592 E_(mvar_AppendNewVar)( f, "type", "directory" );
594 else if( S_ISREG( stat_info.st_mode ) )
596 E_(mvar_AppendNewVar)( f, "type", "file" );
600 E_(mvar_AppendNewVar)( f, "type", "unknown" );
603 sprintf( psz_ctime, I64Fd, (int64_t)stat_info.st_size );
604 E_(mvar_AppendNewVar)( f, "size", psz_ctime );
606 /* FIXME memory leak FIXME */
608 ctime_r( &stat_info.st_mtime, psz_ctime );
609 E_(mvar_AppendNewVar)( f, "date", psz_ctime );
611 E_(mvar_AppendNewVar)( f, "date", ctime( &stat_info.st_mtime ) );
615 E_(mvar_AppendNewVar)( f, "type", "unknown" );
616 E_(mvar_AppendNewVar)( f, "size", "unknown" );
617 E_(mvar_AppendNewVar)( f, "date", "unknown" );
621 E_(mvar_AppendVar)( s, f );
627 if( ppsz_dir_content != NULL )
628 free( ppsz_dir_content );
632 void E_(mvar_VlmSetNewLoop)( char *name, vlm_t *vlm, mvar_t *s, vlm_message_t *el, vlc_bool_t b_name );
633 void E_(mvar_VlmSetNewLoop)( char *name, vlm_t *vlm, mvar_t *s, vlm_message_t *el, vlc_bool_t b_name )
639 /* Add a node with name and info */
640 set = E_(mvar_New)( name, "set" );
641 if( b_name == VLC_TRUE )
643 E_(mvar_AppendNewVar)( set, "name", el->psz_name );
646 for( k = 0; k < el->i_child; k++ )
648 vlm_message_t *ch = el->child[k];
649 if( ch->i_child > 0 )
651 E_(mvar_VlmSetNewLoop)( ch->psz_name, vlm, set, ch, VLC_FALSE );
657 E_(mvar_AppendNewVar)( set, ch->psz_name, ch->psz_value );
661 E_(mvar_AppendNewVar)( set, el->psz_name, ch->psz_name );
666 E_(mvar_AppendVar)( s, set );
669 mvar_t *E_(mvar_VlmSetNew)( char *name, vlm_t *vlm )
671 mvar_t *s = E_(mvar_New)( name, "set" );
675 if( vlm == NULL ) return s;
677 if( vlm_ExecuteCommand( vlm, "show", &msg ) )
682 for( i = 0; i < msg->i_child; i++ )
684 /* Over media, schedule */
685 vlm_message_t *ch = msg->child[i];
688 for( j = 0; j < ch->i_child; j++ )
691 vlm_message_t *el = ch->child[j];
692 vlm_message_t *inf, *desc;
693 char psz[6 + strlen(el->psz_name)];
695 sprintf( psz, "show %s", el->psz_name );
696 if( vlm_ExecuteCommand( vlm, psz, &inf ) )
698 desc = inf->child[0];
700 E_(mvar_VlmSetNewLoop)( el->psz_name, vlm, s, desc, VLC_TRUE );
702 vlm_MessageDelete( inf );
705 vlm_MessageDelete( msg );